Overview of the sixth dialog system technology challenge: DSTC6.
Chiori HoriJulien PerezRyuichiro HigashinakaTakaaki HoriY-Lan BoureauMichimasa InabaYuiko TsunomoriTetsuro TakahashiKoichiro YoshinoSeokhwan KimPublished in: Comput. Speech Lang. (2019)